Installation / Operation Instruction Manual
Page 51
BOILER
PUMP
GND
BLK
WH
GN
PRESSURE
SWITCH
BR
OR/WH
B
R
O
R
/
W
H
NC
COM
COM 2
24Vac
24V com
1
2345
6
78
TO TB4-1
TO TB3-1
COM 1
BL/GN
Y/GN
TABLE 1 -COLOR ABBREVIATIONS
BL = BLUE
BLK = BLACK
BRN = BROWN
CL - CLEAR
DKB = DARK BLUE
GN = GREEN
GY = GRAY
LTGN = LIGHT GREEN
OR = ORANGE
PUR = PURPLE
R = RED
TN = TAN
VT = VIOLET
WH = WHITE
Y = YELLOW
TABLE 2 - GAS VALVE WIRE COLORS
GAS VALVE PIN NO. 80-285 399-500 600-850
YRBY1
KBLB-2
LB-BKD3
NRGANNG4
NOTES:
ALL CONNECTORS ARE VIEWED FROM REAR 1.
OF CONNECTOR (INSERTION END)
H2355400C
GY/BL
GY/BL
GY/WH
GY
Y
Y
CONDENSATE
LEVEL RELAY
7 8
5
3
1 2
4
6
GY/RD
BOILER PUMP
INTERRUPT
JUMPERS
THERMO-FUSE
(ON SOME MODELS)
V+
V-
A
OR/GN
LTGN
DISPLAY
TOUCH-SCREEN
GY
2
43
21
43
21
HIGH/LOW
GAS PRESSURE
SWITCH
500-850 CSD-1 ONLY
CONDENSATE
LEVEL SWITCH
FLAME
ROD
BLOWER
TRANSFORMER
110VAC INPUT
24VAC OUTPUT
GND
HV
SPARK
P5
P4
3
1
5
1
J6-1
J6-2
TB8 FIELD
CONNECTIONS
3 1
2
GND
STACK
TEMP
(P3)
INLET
TEMP
SENSOR
(P1)
OUTLET
TEMP
SENSOR
(P2)
T
-
T
O
R
IN
T
E
R
L
O
C
K
A
N
A
L
O
G
IN
P
U
T
+
A
N
A
L
O
G
IN
P
U
T
-
O
U
T
D
O
O
R
T
E
M
P
S
E
N
S
O
R
TB7
FIELD
CONNECTIONS
J9-1
J9-2
J9-4
J9-5
J9-6
J2-4
J2-3
J2-2
J2-1
J8-1
J8-2
J8-6
J8-7
J8-8
J8-9
J8-10
J8-11
J8-12
SAFETY
CHAIN
J5-2
J5-1
J4-2
J4-3
J4-4
J4-5
TB5
BOILER
CONNECTIONS
J4-7
GND
J4-12
J4-10
J4-6
SW 1
TB4
24V
COMMON
TB3
24V
"HOT"
TB2
110V
NEUTRAL
TB1
110V
"HOT"
BLK
WH
GR
CUSTOMER
POWER INPUT
CONTROL MODULE
(Honeywell)
R
PUR
PUR/BLK
WH/BL
DKB
DKB/Y
DKB
FS-2
DKBDKB
WH/BL
WH/BL
WH/R
WH/R
Y
R
T
N
T
N
/
Y
B
R
B
R
/
W
H
R
/
Y
R
FS-1
DKB/Y
PK
R/BLK
WH/GN
GR/R
W
H
CL
CL
CL
CL
CL
WH/R/GN
GY/R
TN/BRN
OR
TN/BL
TN/R
Y
Y
DKB
Y
BLK
WH
R
Y
GY/BL
VT
WH
W
H
Y
BLK
BLK
GY/R
LOW
WATER
CUTOFF
FIELD INSTALLED
OPTIONS
WH/GY
GR/VT
GR/BL
Y
BL
ADD'L
HIGH
LIMIT
R
FLOW
SWITCH
BLK
TO
XFORMER
TO TB1 PIN2
WH
TO XFORMER
TO TB2 PIN2
WH/R
BRN/WH
BRN
R/Y
PUR
PUR/BLK
TN/Y
TN
WH
TN/BLK
W
H
/
G
Y
B
L
G
R
/
B
L
R
G
R
/
V
T
G
Y
/
R
W
H
/R
/G
N
TO J6-2
WH/OR
WH/GY
TO TB6 P2
TO TB6 P1
Y
TO J4-10
TO TB4-P1
GY
DKB
GY
BLK
TO TB8 P1
BLK
WH
GR
CRIMP NUT
GY
NEUTRAL
L
PUMP
NEUTRAL
L
O
U
T
D
O
O
R
T
E
M
P
S
E
N
S
O
R
FIELD
OPTIONS
DRY CONTACTS
ONLY SEE I/O
MANUAL SECT 5.3
WH
WH
TO
GAS
VALVE
P1
1
2
2
1
61
6
1
6
1
1
6
1 2
1 2
GY
J1-2
J1-3
SPARK
IGNITOR
P
U
R
O
R
PUR
OR
PRESSURE
SWITCH
3
2
1
4
GAS
VALVE
GND
SEE
TABLE 2
2
3 7
J10-7
J10-8
OR/BLK
BLK/OR
Y
W
H
&
G
R
TB6
FIELD
CONNECTIONS
A
L
A
R
M
TO J6-7
TO J6-8
B
L
B
L
/
Y
O
R
/
B
L
K
W
H
/
G
Y
W
H
/O
R
A
L
A
R
M
D
H
W
T
E
M
P
S
E
N
S
O
R
B
L
K
/
O
R
A
Q
U
A
S
T
A
T
O
P
T
IO
N
S
Y
S
T
E
M
S
E
N
S
O
R
MS-2
MS-1
R2
R1
6
4
21
3
5
87
PUMP
BYPASS
RELAY
BRN
BRN
OR
TN/BRN
WH
TN/BLK
TN/BL
TAN/R
BLK/Y
BLK
Y
GR
BLK/Y
VT
COM
NO
TABLE 1.
COLOR ABBREVIATIONS
TABLE 2. GAS VALVE WIRE COLORS
FACTORY INSTALLED
OPTION FOR 500 -850
CSD-1 ONLY
DHW
SYS
PUMP
J8-3
J8-4
J8-5
OPTIONAL SWITCH
USED ON SOME
MODELS. IF SWITCH
IS NOT INSTALLED IN
THIS LOCATION. THE
TERMINAL JUMPER
SHOULD BE IN PLACE
SEE
TABLE 2
J6-3
J6-7
J6-8
TO TB4
DKB/Y
GY/WH
BL
OR
1
OPTIONAL SWITCH
USED ON SOME
MODELS. IF SWITCH
IS NOT INSTALLED IN
THIS LOCATION. THE
TERMINAL JUMPER
SHOULD BE IN PLACE
THERMO-FUSE
GND
B
VDC
A
B
ECOM
MB2
MB1
Brute
HIGH EFFICIENCY COMMERCIAL BOILERS AND VOLUME WATER HEATERS